ef: A Tale of Memories.  

On christmas eve, hiro hirono meets miyako miyamura, who borrows his bicycle to chase after a purse thief. when he finds his bike wrecked and miyako unconscious, they spend the night together unexpectedly. they later discover that they attend the same high school, leading to the development of their relationship. meanwhile, kei shindou's childhood friend hiro becomes jealous when kyosuke tsutsumi, a womanizing photographer, takes an interest in kei due to his pure approach to life. elsewhere, renji asou meets chihiro shindou at an abandoned train station and they quickly become friends. however, when renji discovers chihiro's secret disability that causes her to have an eternally ephemeral memory, he must confront his childish ideals. these relationships intertwine in a poignant tale of love, rejection, acceptance, and memories.